#define _CRT_SECURE_NO_WARNINGS 1
#include <iostream>
#include<string>

using namespace std;

int main() {
    string str;
    getline(cin, str);
    size_t pos = str.rfind(' ');
    if (pos != string::npos)
    {
        cout << str.size() - pos - 1 << endl;
    }
    else
    {
        cout << str.size() << endl;
    }
    return 0;
}